The South African Class Experimental 1 4-6-2 of 1907 was a South African steam locomotive from the pre-Union era in the Cape Colony.In 1907 the Cape Government Railways placed a single experimental three cylinder compound steam locomotive with a 4-6-2 Pacific wheel arrangement in service based on the second series of the Karoo Class locomotives. In 1912 when it was assimilated into the South African Railways it was renumbered and classified as Class Experimental 1.
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